vs
Why is ER2XR Extended Response better than Bone?
ER2XR Extended Response has no measurable advantages in this pair.
Why is Bone better than ER2XR Extended Response?
Bone has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Neckband |
| Ear cup design | Closed-back | — |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 16,000 Hz | — |
| Impedance | 15 Ω | 80 Ω |
| Sensitivity | 96 dB | 86 dB |
| Battery & charging | ||
| Battery life | — | 11 h |
| Battery capacity | — | 150 mAh |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.3 |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Siri |
| Design & build | ||
| Weight | — | 32 g |
| Protection rating | — | IPX8 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Blue, Black | Black |







